South Dennis
Weather by month
Current –

South Dennis Weather in January

January in South Dennis averages 4°C (39°F) during the day and -4°C (25°F) at night. Quite a bit of snow/rainfall is typical this month, with around 109 mm (4.3 in) on average. An umbrella is a good idea.

Rainfall in South Dennis in January

On average, there are about 14 days with snow/rain during this month, averaging 109 mm (4.3 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in South Dennis in January

Daytime highs in South Dennis in January reach 4°C (39°F), with nights around -4°C (25°F). Winter occurs in January. Staying warm is the main priority this month, especially during mornings and evenings. Nights are well below freezing at -4°C (25°F). An extra blanket is a good idea if you feel the cold, especially in older or less well-heated accommodation. With the coldest weather of the year, this month demands extra warmth. Be sure to layer up to stay comfortable.

Sunshine in South Dennis in January

The area enjoys a moderate level of sunlight, with around 147 hours. It's a good balance between sunny and cloudy days.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for South Dennis.

South Dennis Temperature in January

Min Temperature
-4°C (25°F)
Max Temperature
4°C (39°F)
Chance of Rain
47%
Precipitation
109 mm (4.3 in)
Rainy days
14 days
Sunshine
147 hours *
Percentage Sunshine
*
* Data from: Nantucket, the United States of America (45 KM, 28 Miles).

South Dennis Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in South Dennis - and find the best time to visit.

Best Places in the United States of America in January

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in January →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in South Dennis in January

Dress warmly and in layers for your trip to South Dennis in January. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in South Dennis in January

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    5/10
  • Cycling
    3/10
  • Walking
    3/10
  • Camping
    1/10
  • Outdoor sports
    3/10

South Dennis 3-Day Forecast

More climate data for South Dennis

Popular in January

Where to go in January - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.